YDA135 Datasheet, PDF (15/22 Pages) YAMAHA CORPORATION – STEREO 5W-20W DIGITAL AUDIO POWER AMPLIFIER CONTROLLER

YDA135
Monaural operation
This IC can be operated in monaural mode by modifying the "Example of application circuit" as follows.
At this time, left channel is to be used.
It is not necessary to connect the resistors and capacitors, Power MOSFET and filter coils for right channel.
Terminal treatment in monaural operation
Pin No.
Name
Terminal treatment
10
VSSR
Connect to ground
11
VREFR
Non connection
13
VDDR
Connect to 5V power supply
14
INR
Connect to 47Pin INL
15
NFINR
Non connection
16
NFPR
Connect to 5V power supply
17
NFNR
Connect to ground
19
CDOR
Connect to 20Pin CDIR
20
CDIR
Connect to 19Pin CDOR
22
SENSEPR
Connect to 12V power supply
23
PVDDR
Connect to 12V power supply
24
SENSENR
Connect to ground
25
PVSSR
Connect to ground
27
HP_R
Non connection
28
HN_R
Non connection
29
LN_R
Non connection
30
LP_R
Non connection
15